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Table 1 The main and interactive effects of herbivory and plant life form on soil chemical properties [pH, electrical conductivity (EC), total nitrogen (TN), total carbon (TC) and available phosphorus (available P)]

From: Medium-term interactive effects of herbivores and plant life form on the biochemistry of shallow sandy soils in a protected semi-arid savanna

Factor

Variable

pH

EC (mS/m)

TN (%)

TC (%)

Available P (mg/kg)

Mean(± SE)

Exclosure

 Full

6.01 (± 2.54)a

1.52 (0.122)b

0.07 (± 0.0136)a

1.13 (± 0.0136)a

12.9 (± 3.529)ab

 Partial

5.77 (± 1.97)b

1.76 (0.147)a

0.09 (± 0.0136)a

1.25 (± 0.0136)a

8.8 (± 3.645)b

 Open

5.76 (± 2.09)b

1.69 (0.143)a

0.05 (± 0.041)a

0.96 (± 0.014)a

16.9 (3.529)a

Veg. type

 Tree

6.07 (± 2.82)a

1.66 (0.107)a

0.1 (± 0.0117)a

1.40 (± 0.0117)a

14.3 (± 3.0377)a

 Grass

5.71 (± 2.05)b

1.64 (0.102)a

0.04 (± 0.0107)b

0.83 (± 0.0107)b

10.9 (± 2.592)a

Main effect

p-values

 Exclosure

0.0351*

0.046*

0.0688 ns

0.1686 ns

0.03701**

 Veg. type

0.0211*

0.077 ns

0.0001**

0.0002**

0.2923 ns

Interaction

 Exclosure x Veg. type

0.068 ns

0.233 ns

0.01*

0.0133*

0.7715 ns

  1. Means with different letter [a, b] for the same factor within the column are significantly different (signification codes: **p < 0.01, *p < 0.05, ns = not significant). SE is the standard error